From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id B6415DDE21 for ; Fri, 3 Oct 2008 19:31:41 +1000 (EST) Subject: Re: [RFC/PATCH] Block device for the ISS simulator From: Benjamin Herrenschmidt To: Christoph Hellwig In-Reply-To: <20081003083522.GB25683@infradead.org> References: <20081003000904.0A812DDEEE@ozlabs.org> <20081003083522.GB25683@infradead.org> Content-Type: text/plain Date: Fri, 03 Oct 2008 19:29:40 +1000 Message-Id: <1223026180.12264.174.camel@pasglop> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org Reply-To: benh@kernel.crashing.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2008-10-03 at 04:35 -0400, Christoph Hellwig wrote: > On Fri, Oct 03, 2008 at 10:08:42AM +1000, Benjamin Herrenschmidt wrote: > > The ISS simulator is a simple powerpc simulator used among other things > > for hardware bringup. It implements a simple memory mapped block device > > interface. > > > > This is a simple block driver that attaches to it. Note that the choice > > of a major device number is fishy, though because it's a simulator and > > not real hardware, it's not necessarily a big deal. > > Please don't put in more block devices for every bloody simulator in the > world. Just emulated some simpler enough existing hardware. I'm not sure I want it merged, but having it on the list "for the record" is useful and it might be useful to get comments in case it's terminally busted :-) I'm trying to get ISS to implement an IDE interface in fact. Cheers, Ben.